/*
 * Copyright 2009 Isaac Truett.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.googlecode.simplegwt.tbg.common;

import com.google.gwt.user.client.rpc.RemoteService;
import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;
import com.googlecode.simplegwt.tbg.common.AsyncResponse.VoidData;

/**
 * Synchronous service for accessing user preferences.
 */
@RemoteServiceRelativePath("user")
public interface UserPreferenceService extends RemoteService {
	/**
	 * @return the current user's preferences
	 * @throws UserPreferenceException
	 */
	AsyncResponse<Preferences> getUserPreferences() throws UserPreferenceException;

	/**
	 * @param prefs
	 * @return nothing
	 * @throws UserPreferenceException
	 */
	AsyncResponse<VoidData> saveUserPreferences(Preferences prefs) throws UserPreferenceException;
}
